Table of Contents

• Contact Allocation at a Normal Station
• Contact Allocation at a Control Station

Contact Allocation at a Normal Station

Free Bus-line	P1	1		1R	B	Busy
Free Bus-line	P2	2		2R	F16	Function
Individual Patch Contact	P3	3		3R	F8	Function
Individual Patch Contact	P4	4		4R	F4	Function
Individual Patch Contact	P5	5		5R	F2	Function
Command Accepted	X	6		6R	F1	Function
Inhibit	I	7		7R	A8	Sub-address
Clear	C	8		8R	A4	Sub-address
Station Number	N	9		9R	A2	Sub-address
Look-at-Me	L	10		10R	A1	Sub-address
Strobe 1	S1	11		11R	Z	Initialize
Strobe 2	S2	12		12R	Q	Response
MSB	W24	13		13R	W23
24 Write Bus-lines	W22	14		14R	W21
	W20	15		15R	W19
	W18	16		16R	W17
	W16	17		17R	W15
	W14	18		18R	W13
	W12	19		19R	W11
	W10	20		20R	W9
	W8	21		21R	W7
	W6	22		22R	W5
	W4	23		23R	W3
	W2	24		24R	W1	LSB
MSB	R24	25		25R	R23
24 Read Bus-lines	R22	26		26R	R21
	R20	27		27R	R19
	R18	28		28R	R17
	R16	29		29R	R15
	R14	30		30R	R13
	R12	31		31R	R11
	R10	32		32R	R9
	R8	33		33R	R7
	R6	34		34R	R5
	R4	35		35R	R3
	R2	36		36R	R1	LSB
-12V DC	-12V	37		37R	-24	-24V DC
+200V DC *	+HV	38		38R	-6	-6V DC
117V AC Line *	ACL	39		39R	ACN	117V AC Neutral *
Reserved **	Y1	40		40R	E	Clean Earth
+12V DC	+12V	41		41R	+24	+24V DC
Reserved **	Y2	42		42R	+6	+6V DC
0V (Power Return)	0	43		43R	0	0V (Power Return)
* The +200VDC and 117VAC pins are no longer used
** On DSP 60 Amp crates, Y1 = -6VDC and Y2 = +6VDC

Contact Allocation at a Control Station (Slot 25)

Individual Patch Contact	P1	1		1R	B	Busy
Individual Patch Contact	P2	2		2R	F16	Function
Individual Patch Contact	P3	3		3R	F8	Function
Individual Patch Contact	P4	4		4R	F4	Function
Individual Patch Contact	P5	5		5R	F2	Function
Command Accepted	X	6		6R	F1	Function
Inhibit	I	7		7R	A8	Sub-address
Clear	C	8		8R	A4	Sub-address
Individual Patch Contact	P6	9		9R	A2	Sub-address
Individual Patch Contact	P7	10		10R	A1	Sub-address
Strobe 1	S1	11		11R	Z	Initialize
Strobe 2	S2	12		12R	Q	Response
24 Individual Look-at-Me Lines	L24	13		13R	N24	24 Individual Station Number Lines
	L23	14		14R	N23
	L22	15		15R	N22
	L21	16		16R	N21
	L20	17		17R	N20
	L19	18		18R	N19
	L18	19		19R	N18
	L17	20		20R	N17
	L16	21		21R	N16
	L15	22		22R	N15
	L14	23		23R	N14
	L13	24		24R	N13
	L12	25		25R	N12
	L11	26		26R	N11
	L10	27		27R	N10
	L9	28		28R	N9
	L8	29		29R	N8
	L7	30		30R	N7
	L6	31		31R	N6
	L5	32		32R	N5
	L4	33		33R	N4
	L3	34		34R	N3
	L2	35		35R	N2
	L1	36		36R	N1
-12V DC	-12V	37		37R	-24	-24V DC
No Connection	NC	38		38R	-6	-6V DC
No Connection	NC	39		39R	NC	No Connection
Reserved **	Y1	40		40R	E	Clean Earth
+12V DC	+12V	41		41R	+24	+24V DC
Reserved **	Y2	42		42R	+6	+6V DC
0V (Power Return)	0	43		43R	0	0V (Power Return)
** On DSP 60 Amp crates, Y1 = -6VDC and Y2 = +6VDC